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Trek 520 Series Hand-Held Electrostatic Voltmeters

Ultra-Stable Isoprobe Rack Mountable Voltmeter, 300V

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Trek 520 Series

Hand-Held Electrostatic Voltmeters for ESD Applications


Advanced Energy’s Trek Model 520 (±2 kV) and 523 (±20 kV) hand-held electrostatic voltmeters provide accurate, non-contacting measurements of electrostatic surface voltage. Both are ideal for ESD applications in either ionized or non-ionized environments.

  • Measurement Range 
    • 520: 0 to ±2 kV DC
    • 523: 0 to ±20 kV DC
  • Measurement Accuracy: Better than ±5% of full scale over the recommended probe-to-surface spacing
  • Recommended spacing
    • 520: 5 to 25 mm
    • 523: 30 to 60 mm

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